Just add stylus as a submodule rather than installing it at runtime

package.json

@@ -20,6 +20,7 @@
     "socket.io": "0.9.6",
     "dom": "0.1.3",
     "std": "0.1.34",
+    "stylus": "0.25.0",
     "colors": "0.6.0-1"
   },
   "devDependencies": {

src/resolver.js

@@ -269,38 +269,13 @@ var cssPreprocessors = {
 		callback(null, css)
 	},
 	'stylesheet/less': function(href, lessContent, callback) {
-		try { require('less').render(lessContent, callback) }
-		catch(err) {
-			installNodeModule('less', function(err) {
-				if (err) { return callback(err, null) }
-				require('less').render(lessContent, callback)
-			})
-		}
+		require('less').render(lessContent, callback)
 	},
 	'stylesheet/stylus': function(href, stylusContent, callback) {
-		try { require('stylus').render(stylusContent, { filename:href }, callback) }
-		catch(err) {
-			installNodeModule('stylus', function(err) {
-				if (err) { return callback(err, null) }
-				require('stylus').render(stylusContent, { filename:href }, callback)
-			})
-		}
+		require('stylus').render(stylusContent, { filename:href }, callback)
 	}
 }
 
-var installNodeModule = function(name, callback) {
-	var cwd = process.cwd(),
-		command = 'sudo npm install '+name
-	console.error("attempting to install node module", name, "...")
-	console.error(command)
-	process.chdir(__dirname + '/..')
-	exec(command, function(err, stdout, stderr) {
-		process.chdir(cwd)
-		console.error(err ? "error" : "success", "installing node module", name)
-		callback(err)
-	})
-}
-
 /*******************************
  * Imports (imports and files) *
  *******************************/